this post was submitted on 01 Nov 2025
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China solves 'century-old problem' with new analog chip that is 1,000 times faster than high-end Nvidia GPUs (www.livescience.com)
submitted 4 days ago by kalkulat@lemmy.world to c/technology@lemmy.world
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"The new device is built from arrays of resistive random-access memory (RRAM) cells.... The team was able to combine the speed of analog computation with the accuracy normally associated with digital processing. Crucially, the chip was manufactured using a commercial production process, meaning it could potentially be mass-produced."

Article is based on this paper: https://www.nature.com/articles/s41928-025-01477-0

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[–] vacuumflower@lemmy.sdf.org 1 points 20 hours ago

Go a few levels of logic deep and all you’ve got left is noise.

Which you often don't need. Mechanical computers for aircraft operation, or hydraulic computers for modeling something nuclear, things like that.

But there's nothing "century-old" about all this. They might have non-deterministic steps for some calculation where determinism is not needed (like if you need to ray-trace a sphere, you'll do fine with a bit different dithering each time) and without it better performance is achievable.

The idea seems to make sense, just - it will never be revolutionary.